Optical device



FIG. 1 is a perspective view of an optical device showing my new design;

FIG. 2 is another perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken dash lines shown in the figures represent portions of the suction optical device that form no part of the claimed design. The broken dash dot line represents boundaries to the claimed design and forms no part of the claimed design. 

CLAIM The ornamental design for an optical device, as shown and described. 